He was discovered by Ford Models at age 9+1⁄2 and began acting thereafter when he got his first role as Young Murdoch in an episode of Murdoch Mysteries.[1]
In 2011, at the 32nd Young Artist Awards, Ewaniuk was nominated for Best Performance in a TV Series for his role as a Guest Star in Rookie Blue and Best Performance in a Voice-Over Role in The Cat in the Hat Knows a Lot About That!.[5]
In 2012, at the 33rd Young Artist Awards, Ewaniuk was again nominated for Best Performance in a Voice-Over Role in The Cat in the Hat Knows a Lot About That!.[6]
He appeared in the films Servitude and Dead Before Dawn 3D.
Jacob is also one of the key characters in the Canadian web TV series Kid's Town where he plays Keith Lightfoot. He starred in 12 episodes that were made in 2013.[7]
As of 2023, Jacob is now pursuing a PhD in Quantum Nanophotonics at Queen's university[citation needed] and is currently the TA for a nanophotonics class.[citation needed] Jacob's experience in acting and voice overs has carried over to his teaching responsibilities, and is considered to be an able instructor barring the fact that he has avoided sharing his background as an actor.
Ewaniuk also competes in several karting series in North America. In 2011 he competed in the Rotax Pan American Challenge and the SPORTALITY TRAK Championship.[10]